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Cushion|Natural|GIA

1.03ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6522529780

Certificate GIA 6522529780

Diamond specifications and retailer prices

From $1,390 SGD
A$1,668 AUD
As of November 6, 2026
5 retailers carry this diamond
Most expensive: $1,390 SGD at GemTrove
View at GemTrove

About this 1.03ct natural cushion diamond

This 1.03ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522529780. Listed at 5 retailers as of November 6, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6522529780
Dimensions5.65 × 5.64 × 3.80 mm
L/W Ratio1.00
Top View
5.65 mm5.64 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522529780
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $1,390 SGD|Low: $811 SGD|High: $1,390 SGD|Avg: $1,112 SGD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 5$898 SGD
Retailer 2$979 SGD
Retailer 4$1,019 SGD
Retailer 6$1,060 SGD
Retailer 3$1,130 SGD
GemTrove$1,390 SGD

22 data points across 6 retailers

5 retailers

Retailer 1
-
$979 SGD
Price last confirmed 12 days ago
Retailer 2
-
$1,019 SGD
View
Price last confirmed 11 days ago
Retailer 3
-
$1,060 SGD
View
Price last confirmed 21 days ago
Retailer 4
-
$1,130 SGD
View
Price last confirmed 13 days ago
Most Expensive
B+
GemTrove
GT-N-00959375-98 · Nov 6
$1,390 SGD
A$1,668 AUD
View
4 more retailers have this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.03ct Cushion
$1,390 SGD